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Monday, February 19, 1906

Measure to determine Position of Jupiter's Sixth Satellite as marked on A 3657, also of reference star formerly employed See Book IX pages 126, 127

June 27, 1899 G.M.T. 12^[h] 13^[m]
[[margin]] [[drawing star field]] [[/margin]]

Plate A 3657
|   | x | y | x | y | Diff 1x | Diff 2x | Diff 1y | Diff 2y | Diff x X 4 sec delta
Sat. 6 | +1.40 | +3.05 | -0.65 | -4.15 |   |   |   |   |   |
Ref. star | -1.30 | -0.55 | -3.30 | +0.70 | -2.68 | -2.68 | -3.60 | -3. [[strikethrough]] 45 [[/strikethrough]] 55 | -10.91
Jupiter | [[strikethrough]] -42 | -14 [[/strikethrough]] |   |   |   |   |   |   |
DM -10° 3805 | -6.40 | -13.70 | -8.70 | -12. [[strikethrough]] 40 [[/strikethrough]] 55 | -7.78 | -7.78 | -16.75 | -16.70 | -31. 66
-9° 3836 | -3.90 | +23.85 | -5.85 | +24.95 | -5.28 | -5.23 | +20.80 | +20.80 | -21. [[strikethrough]] 49 [[/strikethrough]] 36
-9° 3838 | +2.25 | +23.75 | +0.30 | +2 [[strikethrough]] 3 [[/strikethrough]] 4.85 | +0.87 | +0.92 | +20.70 | +20.70 | + [[strikethrough]] 3.54 [[/strikethrough]] 3.65
-10° 3810 | +10.20 | -6.40 | +8.20 | -5.30 | +8.82 | +8.82 | -9.45 | -9.45 | +35.90
Sat. | +1.35 | +3.05 | -0.60 | +4.15 |   |   |   |   |   |
Ref. star | -1.30 | -0.55 | -3.30 | +0.70 |   |   |   |   |   |
Jupiter |   |   |   |   |   |   |   |   |   |
Almanac pos. of Jupiter | hourly var. | ° ' " hourly var.

13^[h] 54^[m] 36.75^[s] | -0.018^[s] | -10° 25 31.9 | -0.63"
12.2 x var.
[[formula]]
Prec. 0.5" = +1.59", -8.8"

Mean Sat. | +1.38 | +3.05 | -0.62 | +4.15
Mean Star | -1.30 | -0.55 | -3.30 | +0.70

DM -10° 3805 | 13^[h] 56^[m] 59. [[strikethrough]] 6 [[/strikethrough]] 55^[s] -10° 35' 58.2" (1900)
-9 3836 |    57 12.81 -9 58 47.3 " [[ditto for 1900]]
-9 3838 |   57 37.62 -9 59 2.9 " [[ditto for 1900]]
-10 3810 |  58 7.17 -10 29 10.1 " [[ditto for 1900]]
[[formula]]    [[formula]]

[[formula]]    [[formula]]

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[[preprinted]] 5 [[/preprinted]]

Position of Reference Star

|   | Diff 1x | Diff 2x | Diff 1y | Diff 2y | Diff x X 4 sec delta
DM -10° 3805 | - [[strikethrough]] 6 [[/strikethrough]] 5.10 | -5.10 | -13.15 | -13.25 | -20.76
-9° 3836 | -2.60 | 2.55 | +24.40 | +24.25 | -10. [[strikethrough]] 56 [[/strikethrough]] 47
-9° 3838 | +3.55 | +3.60 | +24.30 | +24.15 | +14. [[strikethrough]] 41 [[/strikethrough]] 53
-10° 3810 | +11.50 | +11.50 | -5.85 | -6.00 | +46.80

[[strikethrough]] Mean ref. Star [[/strikethrough]] 

[[formula]]    [[formula]]

[[formula]]    [[formula]]

Mean Position of ref. Star 13^[h] 57^[m] 21.8^[s] -10° 23' [[strikethrough]] 5.9 [[/strikethrough]] 6" (1900)
" " " [[ditto for Mean Position of]] Satellite 6 13 57 32.7 -10 19 34.5

Star - Sat  -10.9^[s] -3' 31.4"